USB to RS232 Opto-Isolated Converter
Connect an RS-232 device to a USB port and gain isolation from voltage spikes and ground loops.
USB 1.0, USB 1.1, and USB 2.0 compatible (12 Mbps).
Holds connections tight with its high-retention USB connector.
Interface powered. No external power required.
LEDs indicate transmitting and receiving of data.
Great for linking older serial devices to computers or laptops with USB ports.
Also protects PCs and other connected devices from surges and spikes.
Provides 2000-volt RMS isolation against ground loops.
SP385A-R3 connects an RS-232 device to a PC's USB port.
SP385A-R3 Protect your computer and RS-232 devices from voltage spikes and ground loops.
SP390A-R3 allows 2-wire RS-485 or 4-wire RS-422/RS-485 operation.
SP390A-R3 is designed specifically for use in environments heavily susceptible to ground loops.
SP390A-R3: Get the range and multidrop capability of RS-422/-485 from your PC's USB port.